Subtract 20/42 from 60/4
1st number: 15 0/4, 2nd number: 20/42
60/4 - 20/42 is 305/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
60/4 = 60 × 21/4 × 21 = 1260/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
20/42 = 20 × 2/42 × 2 = 40/84 - Subtract the two like fractions:
1260/84 - 40/84 = 1260 - 40/84 = 1220/84 - After reducing the fraction, the answer is 305/21
- In mixed form: 1411/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-40/42 60/8-20/42 60/4-20/84 60/4-60/42 60/12-20/42 60/20-20/42 60/28-20/42